Remove Node.isSupported

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 96 matching lines @@
     ASSERT(isMainThread());
     return partitionAlloc(Partitions::getObjectModelPartition(), size);
 }
 
 void Node::operator delete(void* ptr)
 {
     ASSERT(isMainThread());
     partitionFree(ptr);
 }
 
-bool Node::isSupported(const String& feature, const String& version)
-{
-    return DOMImplementation::hasFeature(feature, version);
-}
-
 #if DUMP_NODE_STATISTICS
 static HashSet<Node*> liveNodeSet;
 #endif
 
 void Node::dumpStatistics()
 {
 #if DUMP_NODE_STATISTICS
     size_t nodesWithRareData = 0;
 
     size_t elementNodes = 0;
@@ skipping 2504 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif